github.com/benhoyt/goawk@v1.8.1/testdata/gawk/concat4.awk (about)

     1  {
     2  	a = $0
     3  	print a
     4  	print index(a,"b")
     5  	getline
     6  	a = a $0
     7  	print a
     8  	print index(a,"b")
     9  }